<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >
        <a-menu-item key="welcome">
          <template #icon>
            <MailOutlined/>
          </template>
          欢迎
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <UserOutlined/>
            {{ item.name }}
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined/>
            {{ child.name }}
          </a-menu-item>
        </a-sub-menu>

      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <h1>欢迎使用wiki知识系统</h1>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{gutter:20,column:3}"
              :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
          <span v-for="{ type, text } in actions" :key="type">
            <component v-bind:is="type" style="margin-right: 8px"/>
            {{ text }}
          </span>
            </template>

            <a-list-item-meta :description="item.description">
              <template #title>
               <router-link :to="'/doc?ebookId='+item.id">
                 {{item.name}}
               </router-link>
              </template>
              <template #avatar>
                <a-avatar :src="item.cover"/>
              </template>
            </a-list-item-meta>

          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import {defineComponent, onMounted, ref} from 'vue';
import {StarOutlined, LikeOutlined, MessageOutlined, MailOutlined, UserOutlined} from '@ant-design/icons-vue';
import axios from 'axios';
import {message} from 'ant-design-vue';
import {Tool} from '@/util/tool';

export default defineComponent({
  components: {
    UserOutlined,
    MailOutlined,
    StarOutlined,
    LikeOutlined,
    MessageOutlined,
  },
  name: 'Home',
  setup() {
    console.log("setup");

    //修改js实时响应数据
    const ebooks = ref();
    //const ebooks= "" 不是响应数据;

    const level1 = ref();
    let categorys: any;
    const handleQueryCategory = () => {

      axios.get("/category/all").then((response) => {
        const date = response.data;
        if (date.success) {
          categorys = date.content;
          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);

        } else {
          message.error(date.message)
        }
      })
    };
    let categoryId2 = 0;
    const handleClick = (value: any) => {
      if (value.key == 'welcome') {
        isShowWelcome.value = true;
      } else {
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
    }
    /*响应式变量*/
    const isShowWelcome = ref(true);


    const handleQueryEbook = ()=> {
      axios.get("/ebook/list",
          {
            params: {
              page: 1,
              size: 1000,
              categoryId2: categoryId2
            }
          }).then((response) => {
        const data = response.data;
        ebooks.value = data.content.list;
        console.log(response);
      });
    }
    //初始化方法写在这里面
    onMounted(() => {
      handleQueryCategory();




    });

    return {
      ebooks,
      level1,
      isShowWelcome,
      handleClick,


      pagination: {
        onChange: (page: number) => {
          console.log(page);
        },
        pageSize: 3,
      },
      actions: [
        {type: 'StarOutlined', text: '156'},
        {type: 'LikeOutlined', text: '156'},
        {type: 'MessageOutlined', text: '2'},
      ],
    }
  }
});
</script>
//scoped 表示增加的样式只在当前页面生效
<style scoped>
.ant-avatar {
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8%;
  margin: 5px 0;
}

</style>
